AFE4490 datasheet(46/69 Pages) TI

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AFE4400

SBAS601D – DECEMBER 2012 – REVISED MAY 2013

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LED1ENDC: Sample LED1 End Count (Address = 08h, Reset Value = 0000h)

D23

D22

D21

D20

D19

D18

D17

D16

D15

D14

D13

D12

LED1ENDC[15:0]

D11

D10

LED1ENDC[15:0]

This register sets the end timing value for the LED1 signal sample.

Bits D[23:17]

Must be '0'

Bits D[16:0]

LED1ENDC[15:0]: Sample LED1 end count

The contents of this register can be used to position the end of the sample LED1 signal with

respect to the PRP, as specified in the PRPCOUNT register. The count is specified as the

number of

4-MHz clock cycles. Refer to the Using the Timer Module section for details.

LED1LEDSTC: LED1 LED Start Count Register (Address = 09h, Reset Value = 0000h)

D23

D22

D21

D20

D19

D18

D17

D16

D15

D14

D13

D12

LED1LEDSTC[15:0]

D11

D10

LED1LEDSTC[15:0]

This register sets the start timing value for when the LED1 signal turns on.

Bits D[23:16]

Must be '0'

Bits D[15:0]

LED1LEDSTC[15:0]: LED1 start count

The contents of this register can be used to position the start of the LED1 signal with respect

to the PRP, as specified in the PRPCOUNT register. The count is specified as the number

of 4-MHz clock cycles. Refer to the Using the Timer Module section for details.

LED1LEDENDC: LED1 LED End Count Register (Address = 0Ah, Reset Value = 0000h)

D23

D22

D21

D20

D19

D18

D17

D16

D15

D14

D13

D12

LED1LEDENDC[15:0]

D11

D10

LED1LEDENDC[15:0]

This register sets the end timing value for when the LED1 signal turns off.

Bits D[23:16]

Must be '0'

Bits D[15:0]

LED1LEDENDC[15:0]: LED1 end count

The contents of this register can be used to position the end of the LED1 signal with respect

to the PRP, as specified in the PRPCOUNT register. The count is specified as the number

of 4-MHz clock cycles. Refer to the Using the Timer Module section for details.

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